No overlap — one side will join outside working hours
MDT (Denver)
SGT (Singapore)
00:00
14:00Working
01:00
15:00Working
02:00
16:00Working
03:00
17:00
04:00
18:00
05:00
19:00
06:00
20:00
07:00
21:00
08:00
22:00
09:00Working
23:00off
10:00Working
00:00+1doff
11:00Working
01:00+1doff
12:00Working
02:00+1doff
13:00Working
03:00+1doff
14:00Working
04:00+1doff
15:00Working
05:00+1doff
16:00Working
06:00+1doff
17:00
07:00+1d
18:00
08:00+1d
19:00
09:00+1dWorking
20:00
10:00+1dWorking
21:00
11:00+1dWorking
22:00
12:00+1dWorking
23:00
13:00+1dWorking
Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between mdt and sgt?
Mountain Daylight Time (mdt) is UTC-6 and Singapore Time (sgt) is UTC+8. The difference between them is 14 hours.
Where is mdt used?
Mountain Daylight Time (mdt) is used in USA and surrounding regions. The IANA timezone identifier is America/Denver.
Where is sgt used?
Singapore Time (sgt) is used in Singapore and surrounding regions. The IANA timezone identifier is Asia/Singapore.
How do I convert mdt to sgt?
Use the interactive converter above. Drag the time slider to any mdt time and the sgt equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
MDT (Denver) is 14 hours behind SGT (Singapore). At noon in MDT (Denver), your contact in SGT (Singapore) sees 02:00.
MDT (Denver) runs on America/Denver; SGT (Singapore) runs on Asia/Singapore. Together they are 14 hours apart.
Shared working hours
There is no business hours overlap between MDT (Denver) and SGT (Singapore) during standard working hours (9:00–17:00). Meetings would require one party to work outside normal hours.
Best call times between these locations
MDT (Denver) and SGT (Singapore) have no shared working window. These slots minimize out-of-hours disruption for both sides.
16:00 Denver / 06:00 Singapore⚡ One side off-hours
⚠️ 3h before working hours in Singapore
19:00 Denver / 09:00 Singapore⚡ One side off-hours
⚠️ 3h after working hours in Denver
15:00 Denver / 05:00 Singapore⚡ One side off-hours
⚠️ 4h before working hours in Singapore
Working hours defined as 09:00–17:00 local time for each location.
Public holidays for both locations
⚡ Holiday alerts for both locations, double-check schedules before confirming.
MDT (Denver)7 holidays
Jul 3Independence DaySOON
Sep 7Labour Day
Oct 12Columbus Day
Oct 12Indigenous Peoples' Day
Nov 11Veterans Day
SGT (Singapore)3 holidays
Aug 10National Day
Nov 9Deepavali
Dec 25Christmas Day
Scheduling between MDT (Denver) and SGT (Singapore)
A 14-hour difference separates MDT (Denver) (USA) and SGT (Singapore) (Singapore) — wide enough that standard business hours don't align at all. Scheduling requires deliberate compromise from both sides.
💡 Scheduling tips for these locations
⚡
A 16:00 meeting in MDT (Denver) means 06:00 in SGT (Singapore) (3h before working hours in Singapore).
⚡
A 19:00 meeting in MDT (Denver) means 09:00 in SGT (Singapore) (3h after working hours in Denver).
⚡
A 15:00 meeting in MDT (Denver) means 05:00 in SGT (Singapore) (4h before working hours in Singapore).
With no shared business hours, these slots distribute the scheduling burden as evenly as possible between both locations.
Avoid scheduling mistakes — especially around daylight saving changes. Use the ClockinSync Chrome Extension to instantly verify and compare both time zones directly in your browser, without manual calculations.
Need a specific time? Use the slider or type directly into the input bar — it understands "3pm", "15:30", and location-specific formats like "9am MDT (Denver)".
